#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {
	int i;
	int arr[10000];
	for(i=1;i<=2020;i++)
	{
		arr[i]=i;
		printf("%d",arr[i]);
	}
	
	return 0;
}
